bench: find llvm-config-19 like the Makefile; bench-save refuses when an expected backend has no rows

1 files changed, 2 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 6569bd5..94d9b49 100644
--- a/Makefile
+++ b/Makefile
@@ -221,7 +221,8 @@ ifeq ($(CHECK),1)
 else
 	INTERP=$(INTERP) python3 tests/bench/suite.py run
 endif
-bench-save: bench
+bench-save:
+	BENCH_SAVE=1 $(MAKE) bench
 	cp $(B)/bench.txt tests/bench.baseline
 	@echo "bench: wrote tests/bench.baseline"
 bench-check: $(BIN)/zy$(EXE)